PCA9538 8-bit I2C and SMBus low power I/O port

NXP

Description

INTEGRATED CIRCUITS PCA9538 8-bit I2C and SMBus low power I/O port with interrupt and reset Product data sheet Supersedes data of 2004 Sep 30 2004 Oc.
The PCA9538 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C/SMB.

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Datasheet Specifications

Part number: PCA9538
Manufacturer: NXP ↗
File Size: 292.39 KB
Datasheet: PCA9538_PhilipsSemiconductors.pdf
Description: 8-bit I2C and SMBus low power I/O port

Features

* 8-bit I2C GPIO with interrupt and reset
* Operating power supply voltage range of 2.3 V to 5.5 V
* 5 V tolerant I/Os
* Polarity inversion register
* Active LOW interrupt output
* Active LOW reset input
* Low stand-by current
* Noise

Applications

* and was developed to enhance the Philips family of I2C I/O expanders. I/O expanders provides a simple solution when additional I/O is needed for ACPI power switches, sensors, pushbuttons, LEDs, fans, etc. The PCA9538 consists of an 8-bit Configuration register (Input or Output selection); 8-bit Inpu

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PCA9538 8-bit I2C and SMBus low power port NXP

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